<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>

<body>

    <div class="margin">
        <style>
            body {
                padding: 0;
                margin: 0;
            }
            .margin {
                width: 500px;
                height: 500px;
                background: #000;
                display: inline-block;
                left: 500px;
            }
        </style>
    </div>

</body>

</html>